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Today I tested a robot I designed a while ago to simulate human emotions and make a decision, but I see that the decision will not be in the best interest of humans. How will we analyze that?
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AI can understand emotions better by considering tone, body language, and context, not just words. If a robot's decisions aren’t in humanity’s best interest, we need to review its design, test it in different scenarios, and ensure ethical guidelines are built in, with human oversight to guide its choices.
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Considering that the items comprising the Environmental Identity scale encompass aspects related to environmental identity, such as enjoyment of nature, appreciation of nature, and environmentalism, how does the interpretation of the construct differ depending on whether a second-order confirmatory factor analysis model or a bifactor model is obtained?
Thank you for the attention.
Best regards,
Ana
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Dear Ana,
In response to your question about how the interpretation of the construct of ecological identity differs depending on whether the model used is a second-order confirmatory factor analysis model or a bifactor model, I will first explain both analytical techniques and how they are applied in the context of ecological identity.
1. Second-Order Confirmatory Factor Analysis Model:
  • Description: This model assumes that constructs like enjoyment of nature, respect for nature, and environmental protection can be grouped into a higher-order, overarching factor (second-order), which represents the global ecological identity. In other words, this model suggests that ecological identity is a complex construct that consists of several connected but distinct aspects, which aggregate into a higher factor.
  • Interpretation: In this model, all aspects of ecological identity (enjoyment of nature, respect for nature, environmental protection) act as indicators that contribute to a common overarching construct, i.e., ecological identity as a higher-order factor. When using this scale, the interpretation focuses on how specific aspects behave in the context of a global construct, and the ecological identity is derived from them.
  • Example: If the result for the global ecological identity factor is high, we can conclude that the student or respondent demonstrates a high level of environmental awareness and responsibility, based on their enjoyment, respect, and active protection of nature.
2. Bifactor Model:
  • Description: A bifactor model includes one global factor (ecological identity) as well as multiple specified factors representing different aspects of that identity, but each of these factors still maintains its independence. Here, ecological identity is viewed as a global factor that explains most of the variation in specific aspects (enjoyment, respect, protection), while also acknowledging that these aspects are not fully correlated.
  • Interpretation: In this model, the interpretation can focus on how each aspect of ecological identity behaves as a distinct factor that also contributes to the global ecological identity construct. Here, individual aspects (such as enjoyment of nature) are particularly highlighted and are not fully explained by the global factor.
  • Example: In this case, we might conclude that while the student has a high global ecological identity, there may be differences in how they perceive various aspects of nature (e.g., they might enjoy nature more but participate less in environmental protection).
Key Differences in Interpretation:
  • Second-order confirmatory factor analysis model suggests that the different aspects of ecological identity are connected and can be considered parts of a larger construct. The focus is on the global factor integrating all aspects.
  • Bifactor model emphasizes the independence and autonomy of different aspects of ecological identity. Both the global factor and specific aspects are significant, but they are not fully dependent on each other, allowing for a more detailed interpretation of the different components.
Depending on your research goal, choosing between these two models will affect how you interpret the data. If you want to understand how aspects of ecological identity work together as one global construct, the second-order model would be appropriate. If you are interested in exploring how each aspect functions as a distinct element, but still contributes to the global factor, the bifactor model might be more suitable.
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under likert-scale questionaire
Never
Rarely
Sometimes
Often
Always
Can we add the results of Never and Rarely=?
Often+Always=? for the purpose of data interpretation purpose?
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What is your purpose doing this ?
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I have a question about reporting Pearson Correlations. I have a total scale (EBPAS) with four subscales. I would like to report how the total scale and each subscale correlate with the independent variables. Is the following sentence a correct interpretation of the results:
The 3-point scale measuring "interest in research" correlated significantly with the EBPAS total scale (r = 0.31, p = .001). In particular the subscales' openness (r= .203, p= .024) and divergence (r= -.232, p= .012) significantly correlated with the EBPAS, whereas the subscales attitude and appeal did not show significant correlation with interest.
The results indicate that out of the EBPAS openness and divergence towards EBP have the strongest explanatory power for interest in research.
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would it not be preferable to analyze the predictive power of each subscale using the multiple regression analysis with the subscales is IVs and the total scale as a DV?
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Hello! I am currently completing my undergraduate thesis, which adapts the VIA. It uses a 9-point Likert scale, and I am trying to clarify the scale range and verbal interpretations associated with it. I know that the VIA assesses two dimensions, but I would appreciate it if anyone could provide more detailed information about the scale’s scoring system and its interpretation, or any relevant references to help with my analysis. In multiple sources, the only information given are similar to this: https://www.carepatron.com/templates/vancouver-index-of-acculturation
I have e-mailed the author of the scale, but decided to inquire here for good measures. Thanks in advance!
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AI bot answers: The Vancouver Index of Acculturation (VIA) is a psychological tool designed to measure the level of acculturation among individuals, particularly in immigrant populations. It assesses how individuals navigate and balance their original cultural identity with the dominant culture they are experiencing.
Scale Range
The VIA typically consists of several items related to two main dimensions:
  1. Orientation towards one's heritage culture (Heritage Acculturation)
  2. Orientation towards the dominant culture (Dominant Acculturation)
Each dimension may include multiple items rated on a Likert scale, often from 1 to 5 or 1 to 7, with the following general format:
  • 1: Strongly Disagree
  • 2: Disagree
  • 3: Neutral
  • 4: Agree
  • 5: Strongly Agree
Verbal Interpretation
  • Low Scores (1-2): Indicate a low level of engagement or acceptance of that particular culture (either heritage or dominant).
  • Moderate Scores (3): Reflect a neutral or balanced orientation toward the culture, indicating ambivalence or mixed feelings.
  • High Scores (4-5): Suggest a strong identification with and acceptance of the respective culture (heritage or dominant).
Overall Interpretation
The scores from both dimensions can be analyzed together to provide insights into an individual’s acculturation strategy (e.g., assimilation, integration, separation, or marginalization) based on how balanced their orientation is towards both cultures.
This psychological measurement helps researchers, clinicians, and community organizations understand the cultural dynamics that affect individuals, allowing for more tailored support and interventions.
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I am currently exploring research areas related to interpretable and explainable AI, with a particular interest in model-agnostic approaches. I would greatly appreciate your valuable suggestions in this field.
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The most important issue in the field of explainable AI (XAI) is the challenge of achieving transparency while maintaining model performance. Many advanced AI models, especially deep learning algorithms, operate as “black boxes,” making it difficult for users to understand how decisions are made. The field can move toward more trustworthy and understandable AI systems.
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How should one interpret shifts in endothermic and exothermic DTA peaks of a semicrystalline material after polymer coating if the shifts occur towards lower temperatures?
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The shift of endothermic (melting) and exothermic (crystallization) DTA peaks of a semicrystalline material to lower temperatures after polymer coating indicates that the coating has a significant effect on the thermal stability and crystal structure of the material. This can be explained by factors such as reduced crystal size, increased chain mobility and interfacial effects. Additional characterization studies may be required for a more definitive interpretation.
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I am studying metapelitic rocks in contact with a granitoid. I am trying to use perplex to create pseudosections of my samples but I need help/guidance for the interpretation of the results. Any help or suggestion will be helpful
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Ali Al.Qassab Thank you for your response! I have created the following pseudosection from a metapelite. I know from other research that the area of study has undergone two different metamorphic phases a prograde and a retrograde. Is it safe to assume that those two areas in the diagram represent the two different phases?
The mineral assemblage of the rock is:
Qtz+Pl(Ab)+Mica(Ms)+Bt+Gt(Alm)+St+Sil
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Body language and tone of voice augment actual words
Speech acts, conversational maxims of Grice, implicature
Pragmatics
Pragmatics is a subfield of linguistics that studies how context influences the interpretation of meaning in language. It goes beyond the literal meaning of words to understand how language is used in real-life situations.
Speech Acts
Speech acts are communicative actions performed through language, such as making statements, asking questions, giving commands, making promises, and more. J.L. Austin and John Searle are two prominent figures in this theory. Speech acts can be categorized into:
- Locutionary Acts: The act of producing sounds and words.
- Illocutionary Acts: The intention behind the utterance (e.g., requesting, promising).
- Perlocutionary Acts: The effect on the listener (e.g., persuading, frightening).
Grice's Conversational Maxims
H.P. Grice proposed four conversational maxims that guide effective communication:
1. Maxim of Quantity: Provide the right amount of information—not too little, not too much.
2. Maxim of Quality: Be truthful and do not provide false or misleading information.
3. Maxim of Relation: Be relevant and stay on topic.
4. Maxim of Manner: Be clear, brief, and orderly; avoid ambiguity.
Implicature
Implicature refers to what is suggested in an utterance, even if not explicitly stated. Grice introduced the concept to explain how listeners can infer additional meaning based on the context and the conversational maxims. There are two main types:
- Conventional Implicature: Meaning that is tied to specific words or phrases (e.g., "but" implies contrast).
- Conversational Implicature: Meaning derived from context and conversational principles (e.g., inferring "there is no milk" from "the store is closed").
These concepts help us understand the intricate ways in which meaning is constructed and interpreted in communication.
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The language elements that you listed are all important in second language acquisition. What in particular are you focusing on?
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In an attempt to predict a binary outcome (yes/no), one continuous predictor variable of my 10 predictor variables (both continuous and categorical) is showing non-significant p-value in univariate but significant p-value in multivariate analysis. How to interpret and explain this? In the multivariate analysis, there are 5 predictor variables showing significant p-value.
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Woud you like a statistician doing a tumor surgery?
I want to say: seek the collaboration with a (local) statistician who is a bit experienced in generalized linear models. This is likely better for the analysis, and for the patients.
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Hello! I'm new to using AFM to analyze nanoparticles in a solution, and I have a question. I see a "line fit 2.79 nm" bar on the right side of my image. Does this refer to the height of the features in the image? For example, does the white area correspond to an approximate height of 2.79 nm? I noticed in another sample, which doesn't have nanoparticles, that it shows "line fit 700 pm." From this, I’m guessing that this value might represent the maximum height. Could you confirm this? Thank you!
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Andreea Iosageanu The particles i am using are microbeads .. which needs some liquid to maintain its shape , but they keep swimming in that liquid droplet.
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I've test TGA and plotted that, but the result of weight loss didnt start from 100, why this is happen? And how can i compare this with other variable??
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Dear Shofia Khoirunnisa,
You are absolutely right. The initial weight of the sample should be set to 100 wt%. The TGA of Cu-MOF indicates a weight of 34% at the start temperature (50 degrees Celsius), suggesting an issue with the thermogravimetry instrument. It is advisable to calibrate the TG instrument before recording the thermogram of your sample.
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I have LCMS test data in my hand. I need help how to analysis what compounds/substances are there (The material is crude plant extract). I'm attaching the full chromatogram for reference. It would be very helpful if I could be pointed to some resources for making sense of this result.
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Hi I am consultant . you can consult to me.
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How to interpret the SPSS output of parallel mediation analysis Hayes PROCESS Model no.4? i have one independent variable and one dependent variable and two mediating variables in my research.Experts and researchers , please guide me in this regard, which things in the output i have to interpret???
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Don’t you need process model 6 if you have two mediators in your model?
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The term "good neighbourliness" is used in the 1991 Minsk Agreement on the establishment of the CIS. How would you interpret this statement? If a neighbor takes actions that directly or indirectly harm its neighbor, is the principle and duty of "good neighbourliness" violated?
Термин «добрососедство» используется в Минском соглашении 1991 года о создании СНГ. Как бы вы интерпретировали это заявление? Если сосед предпринимает действия, которые прямо или косвенно вредят его соседу, нарушается ли принцип и обязанность «добрососедства»?
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Согласен с мнениями автора по поводу многосторонности толкования понятия "добрососедство". Это понятие должно быть рассмотрено не только в контексте юридической терминологии, но и согласно толкованиям, носящим историческое значение. Конечно же доброе соседство между странами формируется не на базе обмена бытовыми товарами как в повседневной жизни между соседями одного апартамента, но на основе взаимного уважения и взаимопонимания, соблюдения общепринятых принципов и уважения ценностям друг-друга. По моему мнению добрососедство в первую очередь означает "обращайся с соседями так, как ты хочешь, что бы они обращались с тобой"...
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I need interpretation of following attachments
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Dear Khalil to ensure a proper interpretation, additional information is necessary. The data suggests a crude reaction mixture or impure compounds. It is important to know the type of reaction that produced these spectra. Based on the current information, the analysis is limited to identifying the functional groups present according to their chemical shifts.
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Dear Professor
I am a PhD student in tourism and marketing at the University of Abu Bakr Belkaid, currently working on my dissertation titled "The Role of Marketing Innovation in Influencing Tourists' Behavioral Intentions." My study aims to incorporate the Technology Acceptance Model (TAM) and the Theory of Planned Behavior (TPB) as theoretical frameworks.
I am reaching out to request comprehensive guidance throughout the entire research process, from the initial design to the final stages of analysis and interpretation. Specifically, I would need support with:
  1. Developing a robust research methodology.
  2. Designing and distributing effective questionnaires.
  3. Analyzing the data using suitable statistical tools.
  4. Interpreting the results and linking them to theoretical frameworks.
Your expertise in this field would be invaluable to me, and I would be truly honored to receive your support at every step of the process. I fully understand your time constraints and will gladly accommodate your schedule.
Thank you very much for your consideration. I look forward to your response.
Kind regards, Ben Senane Ahmed Abdou Toaub Email: touwebbenssenane@gmail.com
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Gives a good result
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Hi everybody,
I had originally created a box plot (which I will attach down below) which showed highly skewed data. I read that one of the options to make it easier to interpret was to perform log transformation of the Y axis, which I did on R with scale_y_log10().
On the figure in which I had not performed log transformation yet, for the value of 4 (X-axis) the median was either 0 or very close to 0 and there was no lower quartile; but when I performed the log transformation, it shows that the median is actually somewhere in between 6 and 7.
My question is, if the median was 6/7 all along, shouldn't that have shown in the first graph since it is not a really low value? Does it mean that my interpretation of the box plot changes because I performed log transformation, or do I interpret it the exact same way as I would have interpreted the original one?
Thank you!
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Hi. It has been already 4 years, but have you found a solution? I have the same problem and the only point I can make is that if you use coord_trans(y="log10") instead of scale_y_log10() it transforms only the axis and not the actual values. I would be highly interested in how you handled the problem.
Best, Aaron
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My question is about the papers those take logarithm to reduce the skewness of the compositional data like elements concentration and use common statistical methods to analyze the data in log scale and their results seems reasonable to them and put some interpretation on their results and publish it.
My question is:
Regarding ALR, CLR, and ILR transformations, is it really a MUST to transform compositional data by, say, CLR or ILR transformations before applying statistical methods to the data such as factor analysis?
Thanks
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It is not a must to transform the data for analyzing by the common statistical methods.
It is always ideal if the data, as obtained in raw form or primary form, can be analyzed (or are analyzed) by the use of common statistical methods.
However, if it is not convenient to apply the common statistical methods to the raw data directly but convenient to apply on transformed data for the purpose, only then it is advisable to transform the data.
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I propose a discussion on my text "Notes on Amartya Sen’s interpretation of cultural identity". The text has been published in Progetto Montecristo – Editoriale Delfino, 2024 (Part 1, 17th October 2024; Part 2, 13th October 2024; Part 3, 5th November 2024). My version of the text is available at the bottom of this announcement as an attachment. The printed text can be read at the following web addresses: https://progettomontecristo.editorialedelfino.it/notes-on-amartya-sens-interpretation-of-cultural-identity-part-1/?fbclid=IwY2xjawF-LO5leHRuA2FlbQIxMQABHcksJSIA5mmlR36zzHgGEDR7CF3t3zBmlVl7hcfm4DSXQKZN0fK_Z6Ck7A_aem_UUlZA9crjYqCO-rI22wBBA https://progettomontecristo.editorialedelfino.it/notes-on-amartya-sens-interpretation-of-cultural-identity-part-2/?fbclid=IwY2xjawGF_i1leHRuA2FlbQIxMQABHRV3C-JbUiuvxiKFWvr0HAjR1y4g5zQFFR4Y8eRS4UZ2W-3HF0ooC7WLcA_aem_BNrERzoP9mu6XDskwUz63A https://progettomontecristo.editorialedelfino.it/notes-on-amartya-sens-interpretation-of-cultural-identity-part-3/?fbclid=IwY2xjawGWrLFleHRuA2FlbQIxMAABHbXCqP7QOzBkC1mXRe1du63cQqqI1C54Miq4yKUonC_S4Znq6ilgK-0z8w_aem_JBI6HiMQHbA6_Zci1IM0rw In our study, we analyse aspects of Sen’s criticism of specific interpretations of cultural identity. We shall see that, in Sen’s view, different interpretations of cultural identity can be given. The different ways in which the concept of cultural identity is interpreted correspond to different ways of living one’s culture; they are connected to different interpretations of religion and religious identity too. Throughout Sen’s inquiry, we shall find the following interpretations of cultural identity: - The first interpretation of cultural identity, which corresponds to Sen’s interpretation of cultural identity, considers cultural identities as the results of a plurality of components which constantly evolve (this might be defined as the flexible, dynamic, and inclusive view of identity). - The second interpretation considers identity as rigid, complete, isolated, and given once and for all (this could be defined as the rigid and static conception of identity). The second conception of identity corresponds to the aim of producing people and groups as isolated systems. Sen investigates the psychological mechanisms connected to the rigid interpretation of cultural identity. Individuals can be manipulated through the rigid interpretation of identity. Sen shows that the rigid interpretation of cultural identities can be used to marginalise all those who do not belong to those same cultural identities. This interpretation of the cultural identity aims to divide individuals, groups, peoples, and nations from each other. Cultural identities can be used to create a group which, as such, does not exist at all or is not so homogeneous and uniform as those who support this concept of identity aim to let appear. The group is created artificially by an artificial cultural identity. The rigid cultural identity of some groups means the exclusion of other groups. This kind of cultural identity serves to bring about enmity between individuals, groups, nations, countries, and communities: it is thought out to produce hostility from a group towards other groups. In Sen’s view, cultural identities always result from a plurality of cultural components. Cultural identities take elements from other cultural identities. Therefore, cultural identities are not isolated systems: they are the product of a historical development which involves the participation of different individuals, groups, and cultures. Moreover, cultural identities are not made once and for all: on the contrary, cultural identities are dynamic phenomena which continuously take in new elements. For our investigation, we shall refer to Amartya Sen’s study "Identity and Violence. The Illusion of Destiny".
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You might find it fruitful to read Oswald Spengler's "Decline of the West", and compare his treatment with that of Amartya Sen. Originally written in German, it has been translated into many languages, including English, Portuguese and Spanish.
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In my scholar work, the consistency was supported by training team members in coding techniques and using standard codes across datasets. Regular meetings were conducted to align on coding interpretations also to help maintain uniformity across different data sources (Saldaña, 2016).
This experience makes it clear that bringing in objectivity in qualitative data can be quite challenging, but this experience was worth it to learn the same indeed.
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Thanks for your response. It makes sense.
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What it is, does children’s literature help readers to interpret, understand, and define human life? Please share your views and suggestions.
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I believe children’s literature helps young readers understand human life by exploring themes like friendship, courage, and kindness. Through these stories, kids learn to empathize, make good choices, and handle emotions. To create meaningful stories, we can focus on values and relatable experiences, making them both fun and educational for young minds.
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the College Academic Perfectionism Scale (CAPS). We are currently utilizing in our research with 127 respondents.
We have reviewed the test manual and appreciate the valuable information provided. However, we were unable to locate specific guidance on interpreting scores for the individual domains (SOP, SWC, COM, DAA, SC, and SPP).
To address this gap, we are exploring different approaches for assigning interpretations (Low, Average, High) to our domain scores:
  • Threshold-based approach
  • Local norms/probability distribution
  • Alternative statistical method (open to suggestions)
We would greatly appreciate your insights on the most appropriate method for interpreting domain scores within our study.
Thank you for your time and consideration. We look forward to your response.
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First, classify your data according to the variables and name each variable. Next, design a questionnaire or a checklist and allocate numbers to the responses to each question/statement for statistical analysis. Then put your data in MS Excel or SPSS for analysis and clean the before analyzing it. Finally, you can analyze your data using descriptive and inferential data analysis options as required, create descriptive tables, graphs, charts, and histogram, etc.
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I'm preparing the research about interpretation of automation, digitalization and digital transformation. I'm interested in different points of view in this question
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Automation refers to the use of technology to perform tasks without human intervention, often to increase efficiency and reduce errors. Digitalization involves converting analog information into digital formats, enabling easier access, storage, and processing of data. Digital transformation, on the other hand, is a broader concept that encompasses the integration of digital technology into all areas of a business, fundamentally changing how the organization operates and delivers value to customers. While automation and digitalization are components of digital transformation, the latter represents a comprehensive shift in business strategy and culture.
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One key limitation is multicollinearity, which affects the interpretability of results. Moreover, oversaturation in models with too many predictors can result in overfitting. Small datasets, or sparse data, can also challenge the accuracy of logistic regression models.
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I'd argue collinearity isn't really a problem except in the sense that you may have too little data to make inferences about unique effects. For example see https://janhove.github.io/posts/2019-09-11-collinearity/
Overfitting isn't really a logistic regression issue - but can be a problem.
Generally I'd worry most about:
- independence of observations
- linearity on the log odds scale of continuous predictors
- complete or partial separation
The latter is linked to sparsity and small samples. There are fairly good solutions for all of these issues.
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Hello,
I'm planning a shell exchanging experiment with two marine, hermit crab species inside of a tank. I only have one tank available for this experiment. I plan on running 30-40 shell exchanging trials, each trial lasting 48 hours. During each trial, I will place 2 individual hermit crabs, one of each species, inside a tank with a single empty shell. Note, both hermit crabs will be wearing damaged shells. The objective of this experiment is to see if one of the species exhibits a higher frequency of taking the empty whole shell than the other, which we would interpret as one species being more dominant. The idea is that each trial will be conducted with new individuals and new shells.
My questions are, is the Chi-Square test the appropriate statistic for this hypothesis? Lastly, if it is, could someone give me an example of what the contingency table/matrix would like for the analysis?
Many thanks,
Miguel
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Thanks, Douaa Arrouk . I really appreciate! If I run into trouble when it comes trying these analyses in R, could I send you a message for help? I plan to start these projects sometime next summer.
Thanks again!
Regards,
Miguel
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In the realm of physics, the relationship between quantum mechanics and thermodynamics has long posed a significant challenge. The Many-Worlds Interpretation (MWI) offers a fresh perspective, allowing us to rethink the implications of quantum events and their potential connections to entropy.
1. Fundamentals of Many-Worlds Interpretation
According to the Many-Worlds Interpretation, when a quantum event occurs, the universe splits into multiple parallel universes, each corresponding to a possible outcome. This viewpoint emphasizes the diversity and uncertainty inherent in quantum phenomena, challenging the classical understanding of measurement and observation.
2. Defining Entropy and Its Increase
Entropy is a physical quantity used to measure the disorder of a system. According to the second law of thermodynamics, in a closed system, entropy will naturally increase over time. The growth of entropy signifies the randomization of energy distribution and the reduction of usable energy within the system.
3. Analogy Between Many-Worlds Interpretation and Entropy
If we regard the "multiverse" as a closed system, the emergence of new universes with each quantum event can be seen as an increase in the states of the system. This point bears a certain similarity to the growth of entropy, as each universe split represents the addition of new possibilities and outcomes, thereby enhancing the overall disorder of the multiverse.
4. Impact of Quantum Events on Entropy
The occurrence of quantum events, especially in interaction with the external environment, leads to the phenomenon of decoherence, whereby quantum states become classical and more disordered. This process is closely related to the concept of increasing entropy, as the complexity and uncertainty of the system rise with the occurrence of quantum events.
5. Reconsidering the Physical Framework
Incorporating the Many-Worlds Interpretation into the discussion of entropy prompts us to rethink the boundaries between quantum physics and thermodynamics. In a sense, this line of thinking breaks the traditional physical framework, enabling us to find new relationships on both macroscopic and microscopic levels.
Conclusion
The exploration of the intersection between quantum mechanics and thermodynamics remains a promising area in contemporary physics research. The relationship between Many-Worlds Interpretation and entropy offers a new way of thinking that fosters a deeper understanding of the nature of the universe. As scientific technology continues to advance, these discussions may inspire further inquiries into the principles governing the workings of the universe and potentially lead to breakthroughs in our understanding of physics.
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Dear Dr. Shen Wei Chen,
You preface your deliberations containing no definite and plausible question (here I do agree with Dr. Antonov to 100%!) as follows:
'In the realm of physics, the relationship between quantum mechanics and thermodynamics has long posed a significant challenge. The Many-Worlds Interpretation (MWI) offers a fresh perspective, allowing us to rethink the implications of quantum events and their potential connections to entropy'.
Howbeit, the Entropy Notion is IMPLICIT in QM via the mathematical formula S = k*ln(W), the well-known Boltzmann-Planck formula, expressing Entropy notion (S) via the Probability (W) of Lord Almighty knows what exactly.
Some 100 years ago, Erwin Schrödinger has taken this mathematical formula and simply replaced the letter W in it with the Greek letter Ψ to try clarifying the notorious Probability notion, whereas Entropy S he dubbed 'Mechanical Action'.
This is how, Hon. Prof. Schrödinger has used the physically correct picture of the Entropy notion in his seminal research paper (although the Entropy is but never the Mechanical Action as it is; instead, it ought to be a Summary Counteraction in regard to the relevant/pertinent non-zero Action).
The only step Hon. Prof. Schrödinger has but not come, to clarify the picture at hand to its conceptual end, was - and still is - the Probability (W) of Lord Almighty knows what exactly, which has become the Wave Function (Ψ) of some mysterious 'Probability Waves' - as Hon. Albert Einstein has perfectly & duly dubbed it).
Howbeit, it is exactly this step Hon. Prof. Dr. Schrödinger had conceptually missed to perform that was nonetheless successfully gone by one of 'Widely Unknown' thermodynamicists, Dr. Georg(e) Augustus Linhart, who could still have managed to completely decipher the magic W in the S = k*ln(W), with the help of proving that W = 1 + T/Tc, where T is the absolute temperature - and Tc to represent some characteristic temperature constant to duly define the pertinent temperature scale... Dr. Linhart has published his result in the well-known academic journal (JACS) some 100 years ago as well...
...To this end, Quantum Mechanics ought to be a valid and fruitful physical theory to correctly deal with the Intrinsically Soft Matter -> and rooted in or based upon the purely voluntaristic operational positivism -> but owing its final and undoubtedly seminal success to the Probability Theory - and/or the Mathematical Statistics, the old-and-good mathematical weapon against the Sheer Ignorance of whatever nature and from whatever source.
To sum up, above here, I have just mentioned my results of the exploration on the intersection between the quantum mechanics and thermodynamics, and I cannot share your enthusiasm that this "remains a promising area in contemporary physics research".
Nowadays, Quantum Mechanics has become old-and-good tool of the physical/chemical/biological mathematics, it does not need revisions and/or adjustments. We only do not need to confuse it with mathematical physics, chemistry, biology, etc...
Respectfully yours,
Dr. Evgeni B. Starikov
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Truth has been defined by many thinkers, writers, philosophers, and individuals from various backgrounds. Each interpretation contributes to the definition of truth in its own way, sometimes clarifying the concept and, at other times, complicating it. Over the centuries, the essence of truth has been explored in existential, relativistic, absolutist, cross-cultural, and other contexts, enriching the intellectual depth of societies. I would like to discuss the nature of truth and its theoretical and practical aspects: How do you define truth based on your perspective?
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I am glad that my question invites reflection Dear Dr. Amalya Sukiasyan .
Let's see! Let's go in parts, we must start from the beginning! Terminologically speaking, we start with the word: "truth", and from there we can think about what the word "truth" is and what the expression is: "the truth"......and what is today, in 2024, "the truth"
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Lorentz transforms provide a means to predict what another observer (if diff reference frame) will see or experience for a given shared in their timeline event, i.e the time Flow in the reference, the spped of object related to event etc, between any observers. This is surprisingly and excitibg that a single, unified blueprint can do this job, and it took 3 centuries after Newton's to be discovered. It is a law of nature, although its called transform.
Part of the reason is that the prevaili g interpretation of it is Special Relativity and the spacetime construct and that there is no other.
Few scientists, such as Saha claimed that SR is just one and possible idiosyngratic interpretation of this "blueprint" and that it wrongly has been establishd as the equivalent of it.
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For a physical process, such as movement, it doesn't matter at all, who observes it and from where. That's why the Lorentz transformations based on relative movement of observers, are wrong ab initio.
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I conducted a multiple linear regression using gretl for my exploratory research. The data was from published reports from 2013 to 2021, as these were the periods where all the yearly data was recorded. The results show that two of my variables are significant at 10% and have an r-square value of 0.664428, but the overall model fit comes to F(3,5) = 3.299978 and p-value (F) = 0.115750. So, can I go forward with this result or not and how can I justify this result?
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If the purpose of your study is exploration, as you say, why do you perform hypothesis tests at all? How did you come to these hypotheses you tested in your exploratory study? Usually, you would take the data to generate (ideas about) hypotheses you may test in an independent set of data (ideally collected more specifically with the aim to test just that hypothesis).
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I have calculated Cohen's d effect sizes in SPSS by running the test 'One-sample t-Test' of the 'difference scores' i.e., t1 - t2 . How valid and reliable these effect sizes are? And what is the best interpretation of these values?
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Thanks, Rainer Duesing .
Without looking it up, I think there are a few ways Cohen's d can be calculated for the paired samples case. Caveat that may be mis-remembering any of these...
1) As I mentioned, just the mean of the differences divided by the standard deviation of the differences.
2) The mean of differences divided by the standard deviation of the first group. This also goes by another, name which I forget. Like Biff Tannen's d, or whatever. I can see how this makes sense in some cases.
3) I don't know that I've seen the method mentioned by Rainer. The mean of differences divided by the pooled standard deviation of the two groups. Unless this is the same as 4).
4) The mean of the differences divided by the standard deviation of the differences modified for the correlation between the two groups. I've seen some argument that this actually makes the most sense statistically. But I have no opinion.
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I made purple macckonecky agar media but I couldn't interpret the results as some plates show no growth, some plates color change to yellow and some show growth with no change in coloration
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I think you mean MacConkey agar
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How can we effectively balance the trade-off between model interpretability and predictive performance in complex machine learning systems, especially in high-stakes domains like healthcare or criminal justice?
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Balancing interpretability and performance in high-stakes machine learning domains, such as healthcare and criminal justice, is crucial yet challenging. One effective approach is to adopt inherently interpretable models, such as linear regression or decision trees, which provide clear insights into how features contribute to predictions. However, these models may not always achieve the highest performance. Therefore, hybrid strategies can be employed, where complex models (e.g., deep learning) are used alongside interpretable surrogate models that approximate their behavior, enabling stakeholders to understand key decision factors while leveraging the accuracy of advanced techniques. Utilizing techniques like feature importance analysis, SHAP (SHapley Additive exPlanations), or LIME (Local Interpretable Model-agnostic Explanations) can help elucidate how specific features influence predictions in black-box models, enhancing interpretability without sacrificing too much performance. Additionally, ensuring stakeholder involvement throughout the model development process is vital; understanding their needs and contexts can guide the choice of models and interpretability tools. Finally, implementing rigorous validation and testing, along with transparent reporting of model limitations, is essential to foster trust and ensure that decisions made using the model are justifiable and reliable in high-stakes scenarios. By combining these strategies, organizations can better navigate the trade-offs and create systems that are both performant and interpretable.
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Balancing interpretability and predictive performance in high-stakes machine learning domains, such as healthcare and criminal justice, is a multifaceted challenge that requires careful consideration of various factors. In these fields, decisions based on machine learning models can have profound impacts on individuals' lives, making transparency crucial.
To address this balance, it is essential to adopt a tiered approach. First, one can utilize simpler, inherently interpretable models, such as logistic regression or decision trees, when possible. These models offer clear insights into how input features influence outcomes, making it easier for stakeholders to understand and trust the decision-making process. However, these models may not always achieve the same level of predictive performance as more complex models like deep learning or ensemble methods.
When complex models are necessary to improve accuracy, techniques such as model-agnostic interpretability methods (e.g., SHAP, LIME) can be employed. These methods help elucidate how different features contribute to predictions without compromising the underlying model's complexity. By providing post-hoc explanations, these techniques enable practitioners to retain high performance while gaining some level of insight into the model's behavior.
Additionally, involving domain experts in the model development process can enhance interpretability. Their input can guide feature selection and highlight the importance of specific variables, ensuring that the model aligns with domain knowledge and ethical considerations. Furthermore, using visualizations to illustrate model behavior can aid in communicating results to non-technical stakeholders, fostering a better understanding of the decision-making process.
It is also vital to establish clear ethical guidelines and standards for model use in high-stakes environments. Implementing rigorous validation and testing procedures, along with continuous monitoring of model performance and biases, helps ensure that the models remain reliable and justifiable over time.
Lastly, organizations can promote a culture of transparency by encouraging open discussions about the limitations and risks of machine learning applications. This includes acknowledging when a model's predictive performance may come at the expense of interpretability and vice versa. Ultimately, the goal is to strike a pragmatic balance that prioritizes ethical considerations, user trust, and the potential societal impact of machine learning technologies while leveraging their strengths in predictive capabilities.
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Balancing interpretability and predictive performance in high-stakes machine learning domains like healthcare and criminal justice is crucial, as decisions significantly impact individuals' lives. A tiered approach can be effective, starting with simpler, inherently interpretable models, such as logistic regression or decision trees, which clearly show how input features influence outcomes, thereby fostering trust. However, when more complex models like deep learning are necessary for improved accuracy, techniques like SHAP or LIME can provide model-agnostic interpretability, offering insights into feature contributions without compromising performance. Involving domain experts during model development enhances interpretability by guiding feature selection based on relevant knowledge and ethical considerations. Visualizations can also help communicate model behavior to non-technical stakeholders. Establishing clear ethical guidelines and rigorous validation processes ensures models remain reliable and justifiable over time. Promoting a culture of transparency encourages discussions about the trade-offs between interpretability and predictive power, ultimately striving for a balance that prioritizes ethical considerations, user trust, and societal impact while harnessing machine learning's strengths.
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I am currently working on multilingual proceedings and the role of the interpreter in criminal trials in France. There are certain problems that are intrinsic to language, the act of translation/interpretation and the demands and constraints of the legal setting. To make sure that the rights of non-native speakers are protected in interpreter assisted trials, some of the solutions proposed are preservation of the original, specialised training for legal professionals on working with interpreters and legal training for interpreters.
Would you agree with these solutions and/or want to add to them? Also, one of he counter-arguments is often over-burdening of the courts and the tendency to dismiss certain solutions as unpractical. Do you agree?
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I agree with the proposed solutions, especially the emphasis on preserving the original language and providing specialized training for both legal professionals and interpreters. The preservation of the original helps ensure transparency and allows for revisiting the interpretation if necessary. Training legal professionals to work effectively with interpreters can reduce misunderstandings and improve the flow of the trial, while legal training for interpreters ensures that they grasp the nuances of legal terminology, which is crucial in criminal trials.
As for the concern about overburdening the courts, while it is valid, dismissing these solutions as impractical might compromise the fairness of the trial, especially for non-native speakers. Courts could explore adopting gradual or hybrid approaches, like offering partial legal training to interpreters or using digital tools to assist in preserving the original content, to minimize the strain on resources while still upholding defendants' rights.
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How should i interpret the BET datas if the surface area and pore volume increases when the metal is doped on support material while pore size decreases (from mesoporous to microporous)? In addition, after the use of catalyst, all of surface area, pore volume and pore size decrease. Do you have any article recommendations about interpreting the BET results about metal-doped catalysts for gaining wider knowledge? It is harder as a chemical engineering student to interpret the characterization datas since no lectures are given about it. I'll appreciate your answers!! Kind regards.
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Dear Gülüse Yaren Keleş the reduced pore size indicates catalyst dispersion within support pores, which possibly leads to meso-micropore formation. Where micropore formation enhances the surface area. While decrease in pore volume, pore size, and surface area over time indicates structural changes such as sintering, pore blockage by reaction byproducts, or support degradation, which eventually results in performance degradation. Best
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Hello everyone,
I am currently working on a molecular docking project and have obtained results that I need help interpreting. I would greatly appreciate any guidance on how to analyze these results effectively, including insights about RMSD (Root Mean Square Deviation), binding affinities, binding poses, hydrogen bonds, and the amino acids involved in these interactions.
Any resources, tips, or personal experiences you could share would be immensely helpful!
Thank you in advance for your assistance!
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Interpreting and analyzing molecular docking results involves several key aspects, including evaluating binding affinities, analyzing binding poses, and understanding the interactions between the ligand and the target protein. Here’s a proposed guide (that I personally use) to effectively analyze your results:
1. Binding Affinity
  • Understanding ΔG: The binding affinity is often represented as a free energy change (ΔG). A more negative ΔG indicates a stronger binding affinity, suggesting that the ligand binds more tightly to the target protein. Conversely, a less negative or positive ΔG suggests weaker binding.
  • Comparing Ligands: When comparing different ligands, look for differences in their binding affinities. A significant difference in ΔG can indicate which ligand may be more effective at binding to the target.
2. Root Mean Square Deviation (RMSD)
  • Definition: RMSD is a measure of the average distance between atoms of superimposed proteins. In docking studies, it is often used to evaluate the stability of the docked conformation compared to an experimental structure.
  • Interpreting RMSD Values: Lower RMSD values (typically <2 Å) indicate that the docked pose closely resembles the experimental structure, suggesting a reliable docking result. Higher RMSD values may indicate that the docking pose is less reliable or that the ligand may adopt a different conformation in solution.
3. Binding Poses
  • Visual Inspection: Use molecular visualization software to examine the binding poses of your ligands. Look at how well the ligand fits into the binding pocket of the target protein.
  • Key Interactions: Identify key interactions such as hydrogen bonds, hydrophobic interactions, and ionic interactions. These interactions can provide insights into how well the ligand binds and its potential efficacy.
4. Hydrogen Bonds and Amino Acids Involved
  • Analyzing Hydrogen Bonds: Check for hydrogen bonds formed between the ligand and specific amino acids in the binding site. The presence of multiple hydrogen bonds typically indicates a stronger interaction.
  • Identifying Key Residues: Note which amino acids are involved in these interactions. Specific residues may be critical for binding and can be targets for mutagenesis studies to further explore their roles.
5. Additional Considerations
  • Cluster Analysis: If you have multiple docking poses, consider performing cluster analysis to identify common conformations and interactions across different runs.
  • Comparison with Experimental Data: If available, compare your docking results with experimental data such as IC50 values or binding assays to validate your findings.
Best regards.
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The question is how to interpret objectively the intensity of color change in the enzymatic reaction of the test. Is there any control color scale available, since the positive reaction is graded based on color intensity (1,2,3,4,5)? It seems too subjective without a control scale.
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I have found the color scale online, but it is low quality. The picture is attached, the source is here: https://www.dsmz.de/microorganisms/wink_pdf/Actinomethods.pdf
Four good quality picture, you have to buy the scale.
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This is from dielectric spectroscopy data for a metal-oxide ceramic that has two major phases and a small amount of a third phase present. It's a plot of AC conductivity vs angular frequency for this sample at a particular temperature.
I have tried both the single and double power law's. I've tried adding a third and fourth term. How do I interpret this result? What should I use to fit this curve properly?
EDIT: I am attaching images of the curve in question. In one image, the plot was changed to a log-log plot.
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Jonscher's power law fitting for AC conductivity spectra https://www.youtube.com/live/NwiXcvDmaGo?t=33s
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How to perform an interpretative structural modelling?
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the general structure of the research was carried out according to the harvard university model
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Good evening, can you help me interpret the results of the 1% agarose gel.
DNA was extracted from plant tissue using the CTAB protocol. In the wells (left to right) in well 1 and 4 is the molecular weight marker (1kb) with the amount of 1μl, well 2 has 1μl of sample + 1μl of loading buffer. well 3 μl of sample + 1μl of loading buffer.
Electrophoresis conditions: 80V x 30 min.
I am mainly interested in understanding the banding pattern of well 2.
Thank you.
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Most folks don't bother to run out gDNA on an agarose gel since it's not informative unless you are doing a very specific protocol like long-read DNA sequencing where you need to verify intact, large DNA molecules. If needed, measure the concentration in a spectrophotometer (aka nano drop) or Qbit.
Typically, you just proceed to the next step in the protocol.
Good luck!
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In human psychology, time is a conscious experience—a construct reflecting the sequence of existence and events. In cosmology and physical sciences, time is often defined as the indefinite, continuous progression of existence and events in a uniform and irreversible succession, extending from the past, through the present, and into the future. This progression is conceptualized as a fourth dimension that exists above the three spatial dimensions.
Time is fundamentally a measurement to quantify changes in material reality. The SI unit of time, the second, is defined by measuring the electronic transition frequency of caesium atoms. Time is also recognized as one of the seven fundamental physical quantities in both the International System of Units (SI) and the International System of Quantities.
In physics, time is commonly defined by its measurement—essentially, "what a clock reads."
This description suggests that time, in its conventional understanding across various scientific disciplines and human experience, is an abstract concept, not a real, tangible entity. While time provides a framework for understanding the succession of events, it does not have a direct physical existence as space does in three dimensions. Time is often viewed as a hyper-dimensional abstraction—imperceptible and unreachable beyond the three-dimensional spatial realm.
However, relativity challenges this interpretation by treating time as a real entity—integrated with space to form a four-dimensional space-time continuum where time becomes subject to physical modifications, such as time dilation. This relativistic concept implies that time is not only concrete but also malleable under the influence of velocity and gravity, leading to discrepancies with other scientific interpretations that consider time an abstract or imaginary concept.
One of the main contentions is that time dilation, a cornerstone of relativity, effectively violates the standardization of time by presenting it as something dilatable, thereby questioning the uniformity and constancy of time itself. The traditional time scale based on a 360-degree cycle—representing a consistent progression—is disrupted by the relativistic notion of time dilation, which converts abstract time into something perceived as "real" or "natural." This treatment of time also seems to ignore the conscious human experience, which understands time as a subjective, psychological construct.
Furthermore, if time is not directly reachable—being an abstract hyper-dimensional concept—what then is the "time" that a clock measures? Clocks are designed to provide a standardized approximation of cosmic time through calibrated frequency counts, such as the electronic transitions of caesium atoms. However, the physical manifestation of time in clocks is inherently subject to distortions, primarily due to gravitational effects. Gravity affects mass and energy, altering the oscillation rates of clocks and resulting in time distortions. Consequently, even the most accurate atomic clocks require periodic adjustments to compensate for these external influences.
The discrepancy between the "real time" measured by clocks and the "conceptual time" of cosmic progression raises further questions about the nature of time. Clocks, intended to represent a uniform progression of time, must contend with gravitational influences that disrupt this uniformity, necessitating ongoing corrections. This challenges the idea that time is a tangible, concrete entity and supports the view that it remains fundamentally an abstract concept—a conceptual framework through which we interpret the order of existence and events.
In short, while relativistic physics proposes that time is a real entity susceptible to physical modifications like time dilation, this interpretation remains contentious when viewed through the lens of broader scientific understanding. Time appears more consistent with an abstract or imaginary concept, a near-approximate representation that is susceptible to external influences, yet ultimately remains beyond the realm of tangible existence.
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Time and mass!
What is mass?
what is time?
Does mass have meaning without the passage of time?
Does any mass fall in a gravitational field without passing time?
Does a magnetic field exist without the passage of time?
exactly...
Time and mass dilation indicate the direct relationship between time and material nature...
If the dimensions of the world are more than three, geodesics are created for movement.
Movement in the dimensions of time...
Time is a geometric potential difference.
And the density is the main reason for the geometry potential difference.
That is, heavier objects move more slowly in time dimensions.
And movement in space reduces movement in the time dimension (time dilation).
Density in the present
Negative density in the past tense
Negative density in the future
This explains the one-way arrow of time.
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The Sydney School versus Berkeley...
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According to my experience, functional grammar becomes a sort of "mindset" and is often applied implicitly, either if you translate or carry out interpretation.
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We performed liquid phase NMR with deuterated DMSO as our solvent of a number of treated FAI samples. For all samples we observe a slight shift in the H2O signal (~3.36 ppm instead of the expected ~3.30 ppm), which we assume to be due to interactions between H2O and the FAI. However, one of the samples seems to present an asymmetric H2O peak (attached), which we interpret as a second peak overlapping our first. Our first assumption is that this is evidence of a new material that is interacting with our H2O separately from our main sample. Are there other reasonable assumptions that we could test for?
Our process performs shimming automatically and we have not had issues with shimming on any other measurement. The water signal in our samples should be due to water contamination of our DMSO as our sample should not contain water. We expect the sample to be mildly acidic.
To add additional context, FAI refers to Formamidinium iodide (CH5IN2)
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Dear Thomas,
several reasons might give rise to a signal shape as you found it. First, as you said, the presence of a second species (however, if this is the case, I would expect fast exchange and hence not the chance to observe the two individually). Second, if there are exchangable hydrogen atoms (I do not have an idea what "FAI" means), the formation of HDO which can be observed at slightly lower frequency than H2O. Third, presence of a temperature gradient in the sample and therefore a distribution of resonance frequencies for the water signal. I consider the last explanation the most likely and you can check very easily it by thoroughly mixing/shaking the sample and allowing for a good thermal equilibration in the probe. The shoulder at the right wing should disappear.
Good luck!
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Does ANOVA test correlation among variables? If not, how do you interpret the post hoc analysis generated by SPSS during ANOVA analysis?
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Abdulquadri Akande Raji When cut and paste an answer from an AI such as ChatGPT, be sure to give it credit, just as you would in any other professional setting. Otherwise, people my mistakenly believe that these are your own ideas.
One thing the IA did not consider is the coefficient known as Omega-squared, which is the ANOVA equivalent of R-squared, the total explained variance.
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I have been performing zymography and am having little difficulty in band interpretation.
my gels are not looking properly
what can i do to improve that?
and the analysis of the gel's band characterization.
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This kind of interpretation can be provided only by a medical doctor.
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How AI Can Be Made Explainable and Interpretable?
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Dear Rahul Jain ,
Some strategies are used to support model interpretability, such as simplifying the model to facilitate its interpretation, using “business sense” variables, analyzing data to identify biases or lack of fairness in the inputs that may hinder explainability, or analyzing model development or model implementation .
Inthe rapidly evolving world of Artificial Intelligence (AI) and Machine Learning (ML), the concepts of explainability and interpretability have gained significant traction. Explainability and interpretability are terms of immense value to any business leveraging AI/ML technology to generate predictions. As business and AI leaders navigate this landscape, it is crucial to grasp the nuances of these concepts and their implications for AI development and deployment.
Regards,
Shafagat
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Hi, I have a set of hypotheses about main effects and a set of hypotheses about moderating effects. One of the main effects is insignificant (H rejected). Namely, Capability does not predict Fraud (in my data). However, the moderating hypothesis "Machiavellian personality moderates effect of Capability on Fraud" is significant. According to my calculation, the statistical power in my regression models should be good, therefore my findings reliable. Still, I am not sure how to interpret this situation. So MACH changes (negatively) the slope of CAP=>FRAUD. But there is no reliable slope! Operationalization of CAP and MACH is consistent with the literature; FRAUD is measured through a lab experiment. Any ideas on how to interpret this? Also, I had to run regressions with moderators without the main effects due to huge multicollinearity. So I have two sets of models, models with main effects (just IVs / IVs + controls) and models with moderators (just MODs / MODs + controls).
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Dear Ondřej,
there is a similar question with answers here:
Hope this helps.
Best regards,
Alex
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I have data from two replica experiments conducted at different times. Each has two factors (A and B). Factor A has 20 observations which was done in replicates of three. Factor B has 3 observations. I want to compare at how each observation in factor A differ within their respective experiment times per observation of factor B and also compare how the same observation in factor A compare to each other in the two experiment. I have taken two approaches:
1: NAME <- aov(response ~ FactorA * experiment time , data = data) (do a posthoc analyses with "FactorA * experiment time " in the formular)
2: NAME <- aov(response ~ FactorA , data = data) (do a posthoc analyses with only "FactorA" in the formular)
For the second option i also intent to one by one anova of the 20 observation from each experiment and then tabulate them.
I can attach two graphs of each if needed.
Please advise
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عذراء مهدي العذاري thank you so much for the answer. The two experiment are expected to be different. In this case I am testing effect of 10 strains on heights of a plant. I did check for homogeneity for the individual experiments and they are quite homogenous. Did a normality test using histograms and they are normally distributed. My main issue is when it comes to the statistical calculations. Should I combine the two data and run one anova model on all of them making the strain and "experiment time" a factor or should run three anovas i.e experiment 1 anova, experiment 2 anova and lastly strains-by-strain anova (i.e 10 anovas for each strain comparing its performance in experiment 1 and 2).
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Initially, I obtained poor results using only three training models. However, after applying cross-validation during training, the model's performance improved significantly. I would like to print the result for each k-fold, calculate and print the mean of these results for more detail, and finally print the results for the testing data
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Study foreign trade to enhance the model
Verification is a fundamental technique in the field of learning, especially in the field of large-scale linguistic analysis. For this reason, this technique begins by exposing the model to a set of data that it has not used before during training, in order to continue to cope with new tasks and cause cases of overfitting.
How does cross-verification work?
Data partitioning: The available data is divided into several subsets, called “folds”.
Training and testing: The model is trained on a portion of the data (all folds except one), and then tested on the remaining fold to evaluate its performance.
Repeat the process: The previous step is repeated several times, using a different fold for testing each time.
Average calculation: The model's performance is averaged over all folds to estimate its performance more accurately.
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In my study, I am interested in measuring a complex construct using a validated multi-dimensional scale. However, due to constraints such as survey length and respondent burden, I am considering using only one dimension of the scale that aligns most closely with my research objectives. Is it methodologically sound to use just one dimension of a multi-dimensional scale to measure the construct, or would this compromise the validity and reliability of the findings? How might this decision affect the interpretation of the results and the overall quality of the study?
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If that one dimension is more theoretically related to your research goals, that should be fine.
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Why acceptance criterion for microbiological quality as below
10 ^1 cfu: maximum acceptable count = 20 not 10
10 ^2 cfu: maximum acceptable count = 200 not 100
10 ^3 cfu: maximum acceptable count = 2000 not 1000
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Method variability see USP 1111
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How can I interpret the data gathered without solving?
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To interpret data without solving it manually, you can use data visualization tools and techniques. These tools help you represent data graphically, making it easier to understand and analyze. Some common data visualization techniques include bar charts, pie charts, line graphs, and scatter plots. You can also use statistical analysis and machine learning algorithms to identify patterns, trends, and correlations within the data. Additionally, using natural language processing and sentiment analysis can help you understand and interpret unstructured data, such as text or speech.
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Hello everyone! I am currently engaged in an osteogenesis research project involving Mesenchymal stem cells. Following a 15 and 16-day induction period, I would greatly appreciate any guidance or insights regarding the interpretation of these images. Thank you!
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At least to me, these objects look like some crystals/precipitates from the medium rather than osteoblastic cells. Did you stain your cells with Alizarin red, which is a commonly used stainto identify calcium containing osteocytes in differentiated culture of both MSCs?
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Hello community,
I am studyng the electrochemical behaviour of some series of materials based on graphene oxide chemically modified with aliphatic amines attaching palladium nanoparticles. I am not familiar with electrochemistry so I really need help to make a correct interpretation of the voltammograms obtained and what essencially the graphs mean. I would really appreciate your help and further comments and suggestions.
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Alvena Shahid thank you for your response :)
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It's a carbon sample (powder form) derived from a biomass source after carbonization. No activation or post treatment. I know the peaks at ~25 and 43 correspond to C(002) and C(100) but the other four peaks particularly the peaks at 33.8 and 35.7 have got me stumped. Thanks
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Daniel Kobina Sam Your XRD pattern shows the typical peaks for carbon derived from biomass, with the broad peaks around 25° and 43° corresponding to the (002) and (100) planes, respectively, of graphitic carbon.
The additional peaks, particularly the ones at 33.8° and 35.7°, could be due to the presence of residual inorganic impurities from the biomass, such as metal oxides or other minerals. Biomass often contains various inorganic elements, such as calcium, potassium, magnesium, and silicon, which can form oxides or silicates during carbonization. These can contribute to additional peaks in the XRD pattern.
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In discrete systems, such as Markov chains, Shannon entropy can be used to explain the uncertainty and complexity of the system. In continuous systems, such as pure jump Markov processes, does the corresponding differential entropy have a clear physical meaning? If so, how can differential entropy be used to interpret continuous systems?
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Yes, differential entropy measures the uncertainty or randomness in a continuous probability distribution. It has physical meanings in:
  1. Information Theory: Quantifies average uncertainty or information per unit of the variable.
  2. Thermodynamics: Related to thermodynamic entropy, which measures disorder in physical systems.
  3. Signal Processing: Indicates the bandwidth or information content of signals.
  4. Statistical Mechanics: Connects to the volume of phase space occupied by a system.
Yes, differential entropy in continuous systems, such as pure jump Markov processes, does have physical and interpretative significance, though it differs from Shannon entropy in discrete systems. Here’s how differential entropy can be used to interpret continuous systems:
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i am unable to interpret why its increases in start as shown in figure
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Mesafe arttığı için lazer ışık kaynağının da uyarma etki süresi uzar ve zamanla aynı sürede aynı miktarda etki edemez.
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This discussion concerns the positivist versus the realist interpretation of quantum non-locality in the framework of EPRB experiment. It's about the possibility to change this question of interpretation into a falsifiable proposal: the conservation (or not) of 2-time correlations on Bob's side as long as only Alice performs polarization measurements.
More precisely, the article "Each moment of time a new universe" (https://arxiv.org/abs/1305.1615) by Aharonov, Popescu and Tollaksen, presents:
  • a T-symmetric formulation of the temporal “evolution” of a quantum system which does not evolve (H=0)
  • a very important consequence predicted thanks to this formulation concerning the interpretation of the EPRB experiment.
Cf. this very interesting 8 pages article (https://arxiv.org/pdf/1305.1615) and a video presented by Popescu (https://www.youtube.com/watch?v=V3pnZAacLwg).
Thanks to their 2-state vector T-symmetric formalism (https://arxiv.org/abs/quant-ph/0105101), Aharonov, Popescu and Tollaksen notably highlight the following facts:
  • as long as no quantum measurement is carried out on a given quantum system (undergoing a H=0 Hamiltonian evolution) the 2-time measurement O(t2) - O(t1) between instants t1 and t2 vanishes whatever the observable O. This proves the existence of a time correlation between successive states of a quantum system as long as it doesn't undergo any quantum measurement.
  • On the contrary, the correlation O(t2)-O(t1) = 0 is broken between instants t1 and t2 respectively preceding and following a quantum measurement (except in the specific cases when the measurement result is an eigenstate of O).
Concerning EPRB type experiment, this document indicates §Measurements on EPR state:
  • The break, on Alice's side, of the 2-time correlations between instants t1 and t2 preceding and following a quantum measurement by Alice. Indeed, except in a particular case when the measurement result is an eigenvalue of O, the 2-time correlation O(t2) - O(t1) = 0 is lost.
  • The conservation, on Bob's side, of the 2-time correlations O(t2) - O(t1) = 0 as long as Bob doesn't make any measurements on his side.
Thus, the 2-state vector time-symmetric formalism shows the asymmetry of the quantum state obtained, during an EPRB experiment, after a measurement carried out on one side only. That asymmetry doesn't show up in the standard formulation. Consequently, the standard one-state vector time-asymmetric quantum formalism suggests a (hidden) relativistic causality violation. On the contrary, the conservation of the 2-time correlation in the 2-state vector formalism provides, in my view, a proof that, on Bob's side, nothing happens as long as only Alice carries out quantum measurements on her side.
This seems providing a testable prediction allowing us to decide between:
  • a realist interpretation of the EPRB experiment where the quantum state is interpreted as the model of an objective physical state (cf. On the reality of the quantum state, https://arxiv.org/abs/1111.3328) and the reduction of the wave packet as instantaneous, non-local AND objective, cf.:
- Special Relativity and possible Lorentz violations consistently coexist in Aristotle space-time https://arxiv.org/abs/0805.2417 ...
  • on the contrary, a positivist interpretation of the EPRB experiment, the instantaneous and "non-local reduction of the wave packet" is interpreted as an irreversible and local record of information, hence up to be read by an observer carrying out the measurement, without objective change of Bob's photons state when only Alice performs polarization measurements on her photons. cf.:
When only Alice carries out measurements on her side, the prediction of the conservation of the 2-time correlation on Bob's side, resulting from the 2-state vector time-symmetric formalism, decides, in my view, in favor of the positivist interpretation of the EPR non-locality. In my view, the positivist interpretation becomes a falsifiable physical postulate instead of a pure philosophical question.
Such an experimental verification seems solving a 40 years debate between positivist and realist interpretations of Bell's inequalities violation. Hence, this experimental validation seems deserving to be carried out (but I don't know if it has already been Achieved).
Would you agree with this view?
(1) Note, however, that E.T. Jaynes supports a realist interpretation of physics and its role despite, paradoxically, his insistence on the importance of Bayesian inference and the broad development he gave to this approach (cf. Maxent https://bayes.wustl.edu/etj/articles/rational.pdf)
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You should not forget the third answer: Measurements of entganglement do not prove entanglement because of a fundamental missinterpretation of the results.
The most simple local "Entanglement" calculation:
A detection rate of > 82.8 % has never been realized.
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With the rapid advancements in artificial intelligence, its application in soil microbiome research is becoming increasingly prevalent. AI can potentially enhance our understanding of microbial communities by providing more accurate and efficient data analysis. However, it also raises questions about reliability, interpretability, and integration with traditional methods. I'd love to hear your perspectives and experiences on the benefits and challenges of using AI in this field.
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AI in this context is just automation of the things we already know or understand. There is nothing new which can be just. The field require more deeper fundamental understanding which can further be exploited by AI implementation.
There are already a lot of models and methods and new ones are popping every other day, but they have similar concept at the center and which does not work good need not talk perfectly.
The above answer also appears to be generated by AI.
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I have performed adsorption study on a model biomolecule and graphite using Forcite Adsorption Locator but don't know how to interpret the result, particularly the fukui function results.
Any help will be highly appreciated. Thanks
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The Fukui function is a quantum chemical descriptor that provides insights into the reactivity of a chemical species. It indicates the regions of a molecule that are most likely to accept or donate electrons. It can help identify potential adsorption sites on the adsorbent and adsorbate.
What to do??
  1. Identify Fukui Function Types: f+(x): Indicates the regions prone to nucleophilic attack (electron donation). f-(x): Indicates the regions prone to electrophilic attack (electron acceptance). f0(x): Indicates the regions where both electron donation and acceptance are equally probable.
  2. Overlay with Electron Density: Overlaying the Fukui function maps with electron density plots can help visualize the relationship between reactivity and charge distribution.
  3. Analyze Adsorption Sites: Look for regions on the adsorbent with high f-(x) values, indicating potential electron acceptor sites. Identify regions on the adsorbate with high f+(x) values, suggesting potential electron donor sites. The interaction between these regions is likely to be favorable for adsorption.
  4. Consider Spatial Orientation: The spatial orientation of the Fukui function maps relative to each other can provide clues about the preferred adsorption geometry.
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While doing AST for Pseudomonas aeruginosa, after incubation, no zone of inhibition observed in the plate near the well. wells surrounded by bacterial growth, when the same plate observed under UV light, large zone of clearance was recorded. If, zone is showing absence of pyocin pigment production, how to interpret this result? whether take it as inhibited or not inhibited?
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Not sure why you ask. Observed no inhibition of growth - so there is no inhibition of growth. That UV fluorescence is inhibited may well mean inhibition of pyocyanin synthesis but there is still no inhibition of growth.
btw - you should read the literature. Pyocyanin production is known to be inhibited by ZnO NP.
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Hi everyone,
I ran a Generalised Linear Mixed Model to see if an intervention condition (video 1, video 2, control) had any impact on an outcome measure across time (baseline, immediate post-test and follow-up). I am having trouble interpreting the Fixed Coefficients table. Can anyone help?
Also, why are the last four lines empty?
Thanks in advance!
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Alexander Pabst I would add that the first thing to do is a likelihood ratio test to see if having the fixed effects in the model was better fitting than a model without them. I see that the two of the interaction terms may be significant but that's contingent on the overall system of variables being 'significant'. Personally I don't use Wald tests, their approximation sometimes isn't very good. I would use stepwise LRT to determine whether a term (or system of terms) should be included in the model (although for some situations in a mixed model one needs to use something like the BIC).
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Women associate affection with love. … Men associate affection much more directly with sex. … Men see affection of any kind as a sexual invitation. Many women find this bewildering. (Kramer & Dunaway)
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Thanks Aribowo for your informed answer! In general men are much more easily aroused than women by a multitude of different erotic turn-ons. My conclusion is that women are not aroused with a lover and neither are they aroused by real-world erotic triggers as men are. This is because women are always receivers of male ejaculate and that only the penetrating male is aroused by the prospect of intercourse. This is natural because orgasm is a vital aspect of male reproductive function while women are impregnated without ever needing to be aroused or capable of reaching orgasm.
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I have found an EEG where only alpha waves are present. Beta waves are not found in active patients. What interpretations ?
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what do you mean by active patients, and how many they are?
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Dear all, I am currently analysing panel CFA and SEM model on the basis of ordinal variables in Mplus 7. So I use the WLSMV estimation method which works fine. Among other goodness of fit statistics the “weighted root mean residual” (WRMR) is reported. I have problems interpreting it because it is greater than 1.0 (eg 1.18) and I dont know what is good or bad. Do any of you has an cutoff value for the WRMR (eg close to 1.0) which indicates a good/excellent model and 1-2 pieces of literature which I can lookup and use as a reference? Many thanks in advance for your help, Gert
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您好,这个问题我有在王孟成老师的书籍《潜变量建模与MPLUS应用基础篇》看到过,他在书中解释WRMR≤1.0表示模型拟合尚可,<0.08表示好的拟合,值越小越好。但是在有些情况下,其他拟合指数良好的话,而WRMR的值很大,此时可以不必在意WRMR。 这是第9章的内容,里面提到了一些参考文献,希望对您有帮助
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Hi, I am currently a upcoming 4th year student who is need of your help as I couldn't find any accessible file for the manual scoring and interpretation for the PBOI - White Campbell. My group and I needed this for upcoming chapters 1 to 3 defense.
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